# NSSL Work Safe vs ATC SkyDecode

The clearest difference is rating: NSSL Work Safe at 5.0 against ATC SkyDecode's 4.5. NSSL Work Safe also leads on in-app purchases (none vs 7). ATC SkyDecode's advantage is update cadence (every 4 days vs monthly) and ratings volume (263 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. ATC SkyDecode sells 7 in-app purchases, starting at $5.99 per 7 days. NSSL Work Safe asks for nothing beyond the download.

NSSL Work Safe holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: ATC SkyDecode has 263 ratings behind it against 1, so its average is the more settled of the two.

NSSL Work Safe ships an update monthly, ATC SkyDecode every 4 days. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NSSL Work Safe | ATC SkyDecode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nssl-work-safe/id1508607432/reviews)** | [4.5 (263 ratings)](https://appshunter.io/ios/app/atc-skydecode-air-traffic/id6760329720/reviews) |
| Number of ratings | 1 | **263** |
| Positive reviews | — | 22.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 45 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [National Safety Solutions Ltd](https://appshunter.io/developer/1370713153) | [Tap Water](https://appshunter.io/developer/1879967896) |

## What reviewers say

### NSSL Work Safe

[App page](https://appshunter.io/ios/app/nssl-work-safe/id1508607432)

This utility app works with a specific suite of safety products, including employee badges and NFC tags. It facilitates safety compliance and management within a workplace environment.

**Highlights:** Employee badge integration, NFC tag compatibility, Workplace safety management, Start Right suite integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ATC SkyDecode

[App page](https://appshunter.io/ios/app/atc-skydecode-air-traffic/id6760329720)

Learn air traffic control communications with synchronized text and audio dialogues. Track global flights in real-time on a live map, viewing aircraft details. Designed for aviation enthusiasts and learners with a focused, dark interface.

**Highlights:** Synchronized ATC dialogues with text, Real-time global flight map, Aircraft details on tap, Clean, dark interface, Aviation phraseology learning

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SkyDecode Premium weekly | $5.99 | per 7 days |
| SkyDecode Premium weekly 3dt | $5.99 | per 7 days |
| SkyDecode Premium weekly first week | $5.99 | per 7 days |
| SkyDecode Premium monthly | $19.99 | per month |
| SkyDecode Premium yearly | $49.99 | per year |
| SkyDecode Premium yearly 3dt | $49.99 | per year |
| skydecode lifetime $79.99 | $79.99 | one-time |


## Frequently asked questions

### Is NSSL Work Safe free?

NSSL Work Safe is free to download, with no in-app purchases.

### Is ATC SkyDecode free?

ATC SkyDecode is free to download, with in-app purchases available.

### Which has better reviews, NSSL Work Safe or ATC SkyDecode?

NSSL Work Safe is rated higher. NSSL Work Safe averages 5.0 out of 5 from 1 ratings, while ATC SkyDecode averages 4.5 from 263 ratings.

### Do NSSL Work Safe or ATC SkyDecode have ads?

Neither NSSL Work Safe nor ATC SkyDecode shows ads.

### Which is updated more often, NSSL Work Safe or ATC SkyDecode?

NSSL Work Safe ships an update monthly, and ATC SkyDecode every 4 days. Most recently, NSSL Work Safe was updated on October 14, 2026 and ATC SkyDecode on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*